<?php
require_once(dirname(__FILE__).'/../../../mssqlupgrade.php');
class rename_column_comments_comment_content extends MSSQLUPGRADE 
{
	/**
	* IsAlreadyUpgraded
	* Do we need to run this classes upgrade script or not ?
	*
	* @return bool true if the upgrade has already run, otherwise false
	*/
	function IsAlreadyUpgraded()
	{
		return $this->ColumnExists($GLOBALS['tablePrefix'].'comments', 'content');
	}

	/**
	* Upgrade
	* Do the actual upgrade of this component. If this is successful all
	* subsequent calls to IsAlreadyUpgraded should return true
	*
	* @return void
	*/
	function Upgrade()
	{
		$query = "
			EXEC sp_rename '".$GLOBALS['tablePrefix']."comments.[comment]', 'content', 'COLUMN'
		";
		$result = $GLOBALS['AKB_DB']->Query($query);
	}

}
?>
